99080 has 16 divisors (see below), whose sum is σ = 223020. Its totient is φ = 39616.

The previous prime is 99079. The next prime is 99083. The reversal of 99080 is 8099.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 98596 + 484 = 314^2 + 22^2 .

It is not an unprimeable number, because it can be changed into a prime (99083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1199 + ... + 1278.

2⁹⁹⁰⁸⁰ is an apocalyptic number.

It is an amenable number.

99080 is an abundant number, since it is smaller than the sum of its proper divisors (123940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111510).

99080 is a wasteful number, since it uses less digits than its factorization.

99080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2488 (or 2484 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 99080 is about 314.7697571242. The cubic root of 99080 is about 46.2731075181.

The spelling of 99080 in words is "ninety-nine thousand, eighty".